Hargreaves Lansdown Logo

Hargreaves Lansdown

Senior Software Engineer (React Native) - UCX

Posted Yesterday
Be an Early Applicant
In-Office
London, Greater London, England
Senior level
In-Office
London, Greater London, England
Senior level
Lead development of the mobile app using React Native; design scalable, secure mobile architectures; integrate REST and GraphQL APIs; optimise performance and security; mentor engineers; collaborate with product, design and QA to deliver features end-to-end.
The summary above was generated by AI
Excited to grow your career?

Our purpose is to make it easy for people to save and invest for a better future. We are looking for great people to join us, so please come and invest in YOUR future at Hargreaves Lansdown.

We know that sometimes people can be put off applying for a job if they don't tick every box. If you're excited about working for us and have most of the skills or experience we're looking for, please go ahead and apply. We’d love to hear from you!

About the role

HL is the UK’s largest direct-to-consumer savings and investment platform, trusted by over 2 million clients and administering more than £172 billion in assets. Founded in 1981 and headquartered in Bristol, our purpose is to help people achieve financial freedom by providing a single, secure home for their savings and investments.
We continue to accelerate its digital transformation leveraging data, cloud driven technologies, AI, and modern technology to deliver personalised, world-class financial experiences at scale. With over 40 years of industry leadership and an award-winning service, we remain a market-leading financial services innovator committed to empowering clients to save and invest with confidence.

Role Overview

As a Senior Software Engineer, you will lead the development of our mobile applications, ensuring they are reliable, secure, scalable, and delightful to use. You’ll collaborate with product managers, designers, backend engineers, QA automation engineers to support a part of the HL platform.

You’ll have the opportunity to influence architectural decisions, mentor other Engineers, and drive best practices across our mobile engineering discipline.

What You’ll Do

  • Build and maintain a high-quality React Native application.

  • Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability).

  • Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams.

  • Optimize app performance, including memory usage, load times, and smooth UI interactions.

  • Implement high-security standards such as encryption, biometrics, and secure data storage.

  • Lead code reviews, share best practices, and mentor junior developers.

  • Work cross-functionally with designers, PMs, and QA to deliver features end-to-end.

  • Stay up to date with the latest in React Native and mobile technologies.

What We’re Looking For

  • 8+ years of professional mobile development experience, with 5+ years using React Native.

  • Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns.

  • Experience integrating third-party libraries, analytics tools, and mobile SDKs.

  • Strong understanding of secure mobile development, especially within financial or regulated environments.

  • Familiarity with state management.

  • Experience with CI/CD pipelines for mobile apps.

  • Strong debugging skills, including performance profiling and memory optimization.

  • Excellent communication skills and experience working in agile environments.

Nice to Have

  • Experience with native iOS (Swift) or Android (Kotlin/Java).

  • Experience in fintech or banking applications.

  • Familiarity with feature driven modular architecture.

  • Experience working with feature flags.

  • UI automation testing experience.

Interview Process

Stage 1 – Discussion with our Hiring Manager (30 mins)

A brief conversation to explore your background, motivations, and fit for the team and role.

Stage 2 – Technical Interview (60–90 mins)

A hands-on deep dive into your React Native expertise, covering coding, architecture, and problem-solving.

Stage 3 – System Design (60–90 mins)

A high-level design discussion where you outline how you’d architect and scale a complex mobile feature or system.

Package

We offer a competitive salary, depending on experience, alongside a generous performance-based bonus scheme.

Your total reward package includes:

  • 💰 Up to 19% pension contribution - helping you plan confidently for the future

  • 🏥 Private medical insurance - giving you peace of mind and access to top-tier healthcare

  • 🎁 A wide range of excellent benefits, from lifestyle perks to wellbeing support, designed to help you thrive both in and out of work

We believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way.

Working Schedule

We’re based in the stunning Paddington Central offices at 4 Kingdom Street, a modern workspace designed to energise your day and elevate collaboration.

What Makes It Special?

  • 🌿 Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups.

  • 🏀 London’s highest rooftop basketball court - yes, really!

  • 🧘‍♀️ Wellness amenities including showers, lockers, hairdryers, and fresh towels.

  • 🚲 Cyclist-friendly with secure bike storage and drying rooms.

  • 🛋️ Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats.

  • 🌊 Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar.

  • 🚆 Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line.

We embrace a hybrid working model that gives you the best of both worlds:

  • 2–3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer.

  • Remote flexibility for deep focus, work-life balance, and personal productivity.

This is a full-time role, working 37.5 hours per week, Monday to Friday.

Please note, we are unable to offer sponsorship opportunities for this position.

Why us?

Here at HL, we’re the UK’s number 1 investment platform for private investors, based in Bristol. For more than 40 years we’ve helped investors save time, tax and money on their investments.

To achieve our mission, we believe we have a workplace like no other, with constant learning, dynamic teams, and a great ethos. We're steered by core values that promote service, quality, innovation, and opportunity in everything we do.

What's on offer?

  • Discretionary annual bonus* and annual pay review 
  • 25 days* holiday plus bank holidays and 1-day additional Christmas closure 
  • Option to purchase an additional 5 days holiday**  
  • Flexible working options available, including hybrid working  
  • Enhanced parental leave 
  • Pension scheme up to 11% employer contribution 
  • Income Protection and Life insurance (4 x salary core level of cover)  
  • Private medical insurance* 
  • Health care cash plans - including optical, dental, and outpatient care 
  • Health screening programme
  • Help@hand - confidential support including mental health counselling and remote GP 
  • Wellhub - unlimited access to fitness providers and wellness coach sessions 
  • Variety of travel to work schemes with bike storage and shower facilities 
  • Inhouse barista and deli serving subsidised coffee and sandwiches 
  • Two paid volunteering days per year 

* dependant on role level 

** only available to select during our annual benefits window, in November each year 

Hargreaves Lansdown is an inclusive employer that values diversity in its workforce. We encourage applications from all individuals without regard to race, religion, gender, sexual orientation, national origin, disability or age.

This role may also be available on a flexible working or part time basis – please ask the Recruitment & Onboarding team for more information.

Please note, we are unable to provide employment sponsorship to candidates.

Top Skills

Biometrics
Ci/Cd
Encryption
Es6+
GraphQL
JavaScript
React
React Native
Restful Apis
Secure Data Storage
State Management
Typescript

Similar Jobs

17 Minutes Ago
Easy Apply
In-Office
London, England, GBR
Easy Apply
Mid level
Mid level
Artificial Intelligence • Enterprise Web • Software • Design • Generative AI
Develop and scale Webflow's partner ecosystem across EMEA by acquiring and managing agency partners, building co-sell programs, driving partner-sourced pipeline, and working cross-functionally to enable partner-led revenue and retention.
Top Skills: Webflow,Optimizely,Contentful,Ai,Saas
17 Minutes Ago
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Artificial Intelligence • Fintech • Greentech • Sales • Software • Travel • Hospitality
Lead end-to-end cross-functional initiatives tied to top company priorities: structure ambiguous problems, drive decisions, remove blockers, and own execution and outcomes working closely with senior leadership and stakeholders.
21 Minutes Ago
Hybrid
London, England, GBR
Senior level
Senior level
Fintech • Information Technology • Insurance • Software
Lead underwriting quality and strategy by developing processes, mentoring underwriters, maintaining guidelines and compliance, collaborating with capacity providers, monitoring claims and product value, and tracking industry/regulatory changes.

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account